Malicious PDF — malware analysis report

Static analysis result for SHA-256 0187383f40911062…

MALICIOUS

PDF

43.7 KB Created: 2020-10-11 23:01:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-08
MD5: a222571ccaf30e1be8b9d5db04bc6206 SHA-1: 1c72adb26b668dff72636cb72f4076f2e2a883fe SHA-256: 0187383f4091106251e50fd036206273e154e90341bd834491298955a61f75c9
149 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ggtraff.ru/strik?keyword=watch+captain+america+the+winter+sol In PDF document text
    • https://site-1039644.mozfiles.com/files/1039644/musamawerevitigijibefolas.pdfIn PDF document text
    • https://site-1048219.mozfiles.com/files/1048219/42648309129.pdfIn PDF document text
    • https://site-1037071.mozfiles.com/files/1037071/vaxikaxijogugoro.pdfIn PDF document text
    • https://site-1040080.mozfiles.com/files/1040080/33335766083.pdfIn PDF document text
    • https://site-1041086.mozfiles.com/files/1041086/49372553345.pdfIn PDF document text
    • https://site-1042711.mozfiles.com/files/1042711/jakujado.pdfIn PDF document text
    • https://site-1042890.mozfiles.com/files/1042890/71098324545.pdfIn PDF document text
    • https://site-1038951.mozfiles.com/files/1038951/lazapematuma.pdfIn PDF document text
    • https://site-1042547.mozfiles.com/files/1042547/tinasetugarejutezoziruv.pdfIn PDF document text
    • https://site-1040578.mozfiles.com/files/1040578/virogezoribagave.pdfIn PDF document text
    • https://site-1037240.mozfiles.com/files/1037240/415470802.pdfIn PDF document text
    • https://site-1037169.mozfiles.com/files/1037169/duxagil.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a76.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a76.bin)
    • https://cdn.shopify.com/s/files/1/0431/0866/3456/files/o_chyom_govoryat_muzhchiny_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0011/1009/files/watch_match_of_the_day_2_online_free_catch_up.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/8762/6908/files/fujifinibifuge.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00006a76.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A76 5276 bytes
SHA-256: 4c26770666b66f98012e172c53f09215216f2c5390bd8fd13fe8ec4899ecb1f4
font_01_sfnt_off00007c4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C4D 10892 bytes
SHA-256: 29314f61ea6856e4ac805255d5beaf67c0357383e967feaec05877d348635a5a

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